"终于" 在英语中可以用 "finally" 来表达。这个词来源于拉丁语 "finis"，意为"最后"或"结束"。例句：

I'm so glad you're finally here. 我很高兴你终于来了。

Finally, we have found a solution to the problem. 终于，我们找到了解决问题的方法。

It's about time you finally did something about it. 你终于做了一些事情，真是早该如此。